"Loser: Batman: The Killing Joke I The R-rated, animated adaptation of the landmark graphic novel became mired in controversy when the team added a backstory featuring a sexual relationship between Batman and Batgirl. Following the world premiere, the audience Q&A portion became contentious, at one point devolving into a shouting match between creators and fans and seeing screenwriter Brian Azzarello call a fan who questioned the sex scene a "pussy." The subsequent news coverage focused on the controversy, rather than Mark Hamill’s well received performance as The Joker, which added layers of humanity to the character never before portrayed on screen.